package com.fz.mapper;

import com.fz.entity.Book;
import org.springframework.stereotype.Component;

import java.util.List;

/**
 * Created by webrx on 2017-07-07.
 */
@Component
public interface BookMapper {
    public List<Book> query();
    public int delById(int id);
    public int save(Book book);
}
